Best Double Door Security Device

The Lock-it Block-it – (4 Devices) Home Security Adjustable Window Locks/Window Security Bars, Door Jammer & Sliding Glass Door Security bar, Child Safety Lock & Patio Door Security bar

  • ... now stay OPEN and be SECURED! Burglars can't reach it from outside when properly installed. It can also serve as a secondary locking device. Keep your windows and patio door secured by installing our sliding door lock..
  • GREAT FOR FAMILIES: The Lock-It Block-It window security bar is an easy way to keep children and pets safe around open windows. This device helps to block children from falling out of open windows by limiting the opening to a safe adjustable height. Great for peace of mind..
  • ADJUSTABLE: The window security bar height can be controlled with 13 adjustable settings, then locked in place with the push of a pin. When the window contacts the Lock-It Block-It, it stops immediately. Our window and door stopper can withstand repeated impacts from forced entry while standing guard to protect your home and family..
  • VERSATILE: The Lock-It Block-It is the perfect window safety device for Single-Hung Windows, Sliding Windows and Patio Doors. It's easy to install with no tools required! It can be removed quickly in the event of emergencies, doesn't block your view, and blends in with the decor. Replace....
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AceMining Portable Door Lock Home Security Door Locker Travel Lockdown Locks for Additional Safety and Privacy Perfect for Traveling Hotel Home Apartment College-Pink(1 Pack)

  • Security and Privacy – This pink portable door lock provides you with extra security and privacy, safety locks for doors greatly improving your security and preventing unauthorized entry, so the door can’t be opened from the outside, door lock security, not even with a key.
  • door security bar is a great helper for you when you are on business and travel, or live alone. It is also a personal safety device for women..
  • Easy to Use – Easy to install or remove, this hotel door lock can be installed in seconds without any tools, locks for doors bring apartment security, even in emergency situations and in the dark. Just insert the metal piece into the slot of the door lock, close the door, and then put the pink handle groove to the stud on the metal sheet, then no one can open the door from outside..
  • High Quality Material – The door security device is made of strong stainless steel.The sliding glass door lock, rugged ABS plastic cover to prevent damage to doors under pressure. Door stopper steel surfaces with electroplating and polishing technology ensure a smooth touch and minimize any injury to your skin. These strong door stoppers security bar with high quality may guarantee prolonged service life. This lock pick set that provides self defe....
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AceMining Portable Door Lock Home Security Door Locker Travel Lockdown Locks for Additional Safety and Privacy Perfect for Traveling Hotel Home Apartment College-Pink(2 Pack)

  • Security and Privacy - This pink portable door lock provides you with extra security and privacy, safety locks for doors greatly improving your security and preventing unauthorized entry, so the door can't be opened from the outside, door lock security, not even with a key.
  • door security bar is a great helper for you when you are on business and travel, or live alone. It is also a personal safety device for women..
  • Easy to Use - Easy to install or remove, this hotel door lock can be installed in seconds without any tools, locks for doors bring apartment security, even in emergency situations and in the dark. Just insert the metal piece into the slot of the door lock, close the door, and then put the pink handle groove to the stud on the metal sheet, then no one can open the door from outside..
  • High Quality Material - The door security device is made of strong stainless steel.The sliding glass door lock, rugged ABS plastic cover to prevent damage to doors under pressure. Door stopper steel surfaces with electroplating and polishing technology ensure a smooth touch and minimize any injury to your skin. These strong door stoppers security bar with high quality may guarantee prolonged service life. This lock pick set that provides self defense for ....
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Defender Security U 9847 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8” Hardened Steel Bar with Diecast Base, Chrome Plated

  • SECONDARY SECURITY LOCKING DEVICE: This sliding door loop lock can be used on a patio sliding door as a secondary security lock for increased home safety.
  • PRODUCT INFO: This device features a 2-1/8” reach, which is designed to secure the door to the jamb.
  • DURABLE CONSTRUCTION: It has a hardened steel locking bar with diecast constructed mounting plate and keeper, with a chrome plated finish.
  • EASY INSTALLATION: Installation is quick and easy with the fasteners included with this product, provides additional security for your home or office doors.
  • CHILD-SAFE SECURITY DEVICE: This lock can also be installed out of reach of children, providing additional child-safe door security.
  • AVAILABE SIZES: It is also available in 1-1/8”, 1-3/16”, 1-7/16”, and 2-1/4” reaches.
  • Warranted against manufacturing defects for 1 year.
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Portable Door Lock, Extra Home Security Door Locker for Additional Privacy and Safety, Travel Lock Down Locks for Traveling, Hotel, Home, Apartment, College with Door Hanger Sign (2 Pack)

  • 【Security and Privacy】: This portable door lock provides you with extra security and privacy, greatly preventing unauthorized entry.
  • it worked by mechanically blocking the door opening from the inside, it can't be opened from the outside, not even with a key. A great helper for you when you are on business and trips, or live alone..
  • 【Easy to Install】: Easy to install or remove, this apartment door lock can be installed in seconds without any tools even in emergency situations and in the dark. Make sure there is enough space between the deadbolt and the handle, Just insert the rectangular metal piece into the slot of the door lock, close the door, and then put the metal handle groove to the hole on the metal sheet, then no one can open the door from outside..
  • 【Heavy Duty Lock】: The door security device is made of strong alloy, environmentally friendly and rugged ABS plastic cover which preventing damage to doors under pressure. Steel surfaces with electroplating and polishing technology ensure a smooth touch and minimize any injury to your skin. A strong door lock with high quality may guarantee prolonged service life..
  • 【Widely Used】: The security door stopper contains two holes of different sizes to ensure that most types of door locks a....
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Defender Security U 9897 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Home Security, 3-7/8” Bar Length, Diecast Zinc Construction with a Brass Finish

  • SECURITY LOCKING DEVICE – This U 9897 Swing Bar Lock is a security locking device for hinged swing-in doors, allowing a door to be slightly opened to allow safe viewing and ventilation..
  • CHILD-SAFE SECURITY DEVICE – This swing bar lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security..
  • EASY INSTALLATION  - Installation is quick and easy – additional security for your doors are within reach! Installation fasteners, including plastic shim spacers for leveling, are included..
  • DURABLE CONSTRUCTION – This swing bar lock is constructed of zinc diecast with a brass finish. It’s strong and durable, sure to last..
  • PRODUCT INFO – This U 9897 swing bar lock has a long, hinged bar, which folds over the closed door to engage the catch. 3-7/8” bar length x 2-1/2” height..
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Defender Security U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Home Security, 3-7/8” Bar Length, Diecast Zinc Construction with a Classic Bronze Finish

  • SECURITY LOCKING DEVICE – This U 10309 Swing Bar Lock is a security locking device for hinged swing-in doors, allowing a door to be slightly opened to allow safe viewing and ventilation..
  • CHILD-SAFE SECURITY DEVICE – This swing bar lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security..
  • EASY INSTALLATION  - Installation is quick and easy – additional security for your doors are within reach! Installation fasteners, including plastic shim spacers for leveling, are included..
  • DURABLE CONSTRUCTION – This swing bar lock is constructed of zinc diecast with a classic bronze finish. It’s strong and durable, sure to last..
  • PRODUCT INFO – This U 10309 swing bar lock has a long, hinged bar, which folds over the closed door to engage the catch. 3-7/8” bar length x 2-1/2” height..
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USB Cable for Home use White

  • Security and Privacy - This portable door lock provides you with extra security and privacy, greatly improving your security and preventing....
  • Easy to Use - Easy to install or remove, this door lock can be installed in seconds without any tools, even in emergency situations and in the dark.....
  • High Quality Material - The door security device is made of strong stainless steel. Rugged ABS plastic cover to prevent damage to doors under....
  • Widely Used - The security door stopper contains two holes of different sizes to ensure that all types of door locks are matched. Perfect for hotels,....
  • Compact Design and Tailored Customer Service - Size 4.3 x 1.26 x 0.4 inches with 0.78inch (2 cm) and 1.2inch (3 cm) holes, lightweight and small, you....
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Door Stop Alarm Home Security, Travel Security Wedge Door Stoppers for Bottom of Door with 120dB Loud, Anti-Slip Floor Mount Doorstop Stop Door from Opening, Portable Hotel Room Door Security Devices

  • 2 IN 1 Door Stop Alarm: A burglary happens every 15 seconds in the US, so you need an alarm security device that's easy to use in your home or travel. CRANACH security door stopper alarm adds a siren alert function basing on the traditional wedge door stoppers. The siren alarm is loud up to 120db, and in most cases, can scare away the intruder or make the intruder sluggish for a short period, delaying the intruder's time to break the door, and notify you, let you feel safe and secure..
  • 120dB Loud Siren Sound: When someone tries to open the door, the door pressing down on the stainless steel platen will trigger the alarm function. The 120dB siren is loud enough to be heard by people within 1,000 feet, alerting security guards and neighbors in the distance, and waking up the deepest sleepers, keeping renters, and travelers feeling safe. If you live with someone with dementia, sleepwalking, or Alzheimer's, the alarm door stopper will also alert you that they are trying to leave..
  • Strong Grip & Non-Slip: CRANACH door stops with anti-slip damping pattern bottom have strong gripping power and can actively hold their place on any floor, cement, carpet, tile, or hardwood. The non-slip base and wedge shape ensure that if someone tries to open the door, the wedg....
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